The maximum security facility was once thought to have "the bloodiest 47 acres in America."

European castle ruins in an American state park are actually the product of death and grief.

Curious cave that stays a cool 56 degrees all year long.

A geological oddity formed by two rivers carving out a mass of limestone on both sides.

This seemingly charming home memorializes and honors the victims of a century-old unsolved murder.

A cannon designed to fire an atomic warhead.

A celebration of the animation wizard's childhood home and antique railroad memorabilia collection.

A small town garden is dedicated to a psychic dog with the most soulful eyes.

The face of the famed flier in a hillside in her hometown.

The first home of the doomed aviator Amelia Earhart.

The history of the treatment of mental illness, illustrated in all its gory detail, and housed in an asylum.

The fastest mail service in the west is tracked and memorialized along this 1,400 mile trail.

The house where the famed outlaw was shot by a dirty coward is now a museum to the criminal's legacy.

This sacred space and gathering spot for the Wyandot Nation has been the surrounded by controversy and confusion.

This mansion was made famous by its colorful cast of owners and location along the Sante Fe Trail.

This otherworldly church spire reaches up toward the heavens.

One of America's first planned communities is preserved in a state park.

This art deco masterpiece was once a miracle spring mecca but is now simply a government office building.

This Kansas City studio was home to Walt Disney's first animation business.

This recently restored timepiece has stood all around Kansas City.

The first car-centric shopping plaza in the U.S. brought a little bit of Spain to downtown Kansas City.

A piece of John the Baptist in the American heartland.

An abandoned concrete jungle surrounded by a lush park.

Two hundred tons of pioneer artifacts were painstakingly recovered from a shipwreck at the bottom of the Missouri River.